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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.qs;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.AnimatorListenerAdapter;
import android.graphics.drawable.TransitionDrawable;
import android.view.View;
import android.view.ViewAnimationUtils;
/** Helper for quick settings detail panel clip animations. **/
public class QSDetailClipper {
private final View mDetail;
private final TransitionDrawable mBackground;
private Animator mAnimator;
public QSDetailClipper(View detail) {
mDetail = detail;
mBackground = (TransitionDrawable) detail.getBackground();
}
public void animateCircularClip(int x, int y, boolean in, AnimatorListener listener) {
updateCircularClip(true /* animate */, x, y, in, listener);
}
/**
* @param animate whether or not animation has a duration of 0. Either way, {@code listener}
* will be called.
* @param x x position where animation should originate
* @param y y position where animation should originate
* @param in whether animating in or out
* @param listener Animation listener. Called whether or not {@code animate} is true.
*/
public void updateCircularClip(boolean animate, int x, int y, boolean in,
AnimatorListener listener) {
if (mAnimator != null) {
mAnimator.cancel();
}
final int w = mDetail.getWidth() - x;
final int h = mDetail.getHeight() - y;
int innerR = 0;
if (x < 0 || w < 0 || y < 0 || h < 0) {
innerR = Math.abs(x);
innerR = Math.min(innerR, Math.abs(y));
innerR = Math.min(innerR, Math.abs(w));
innerR = Math.min(innerR, Math.abs(h));
}
int r = (int) Math.ceil(Math.sqrt(x * x + y * y));
r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + y * y)));
r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + h * h)));
r = (int) Math.max(r, Math.ceil(Math.sqrt(x * x + h * h)));
if (in) {
mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, innerR, r);
} else {
mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, r, innerR);
}
mAnimator.setDuration(animate ? (long) (mAnimator.getDuration() * 1.5) : 0);
if (listener != null) {
mAnimator.addListener(listener);
}
if (in) {
mBackground.startTransition(animate ? (int) (mAnimator.getDuration() * 0.6) : 0);
mAnimator.addListener(mVisibleOnStart);
} else {
mDetail.postDelayed(mReverseBackground,
animate ? (long) (mAnimator.getDuration() * 0.65) : 0);
mAnimator.addListener(mGoneOnEnd);
}
mAnimator.start();
}
private final Runnable mReverseBackground = new Runnable() {
@Override
public void run() {
if (mAnimator != null) {
mBackground.reverseTransition((int)(mAnimator.getDuration() * 0.35));
}
}
};
private final AnimatorListenerAdapter mVisibleOnStart = new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mDetail.setVisibility(View.VISIBLE);
}
public void onAnimationEnd(Animator animation) {
mAnimator = null;
}
};
private final AnimatorListenerAdapter mGoneOnEnd = new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mDetail.setVisibility(View.GONE);
mBackground.resetTransition();
mAnimator = null;
};
};
public void showBackground() {
mBackground.showSecondLayer();
}
/**
* Cancels the animator if it's running.
*/
public void cancelAnimator() {
if (mAnimator != null) {
mAnimator.cancel();
}
}
}
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